AT the close of the last century, Conrad Sprengel published a most valuable work on Flowers, in which he pointed out that their forms and colours, their scent, honey, and general structure, have ...

ATHENS, GA—Air quality in homes, offices, and other indoor spaces is becoming a major health concern, particularly in developed countries where people often spend more than 90% of their time indoors.

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Do you have a black thumb? What’s that — you’ve never heard of a black thumb? It’s the opposite of having a green thumb. Perhaps you can relate to this scenario: You buy a plant that is promoted as ...

Many kinds of harmful invasive species enter and spread throughout the United States on land or in water through various pathways. Non-native plants, animals, algae, fungus, or disease-causing ...

Flies might not come to mind when you think of threatened species in need of protection, but research has proved that they are a vital part of our ecosystems. It may seem like there are plenty of ...

AFTER glancing through this book the question uppermost in our mind is: Why does it exist? The highly-ornamented cover, and the repeated title thereon, lead one to expect a popular treatise on all ...